The BMW 540i Rocker Arm is used and widely recognized as a reliable and high-performing part for the BMW 540i line. This works as the core component to pass movement from the pushrod to the intake and the exhaust valve so that the right functioning of an engine is maintained. Made from stamped steel or aluminum in most cases, BMW 540i Rocker Arm is a part that translates the movement of the pushrod upwards into the required force that opens the valves. As for high RPM, using lightweight aluminum rocker arms is adopted, while roller rockers with needle bearings as the reduction of friction and wear greatly improves performance. The rocker ratio in BMW 540i engines differs from 1.5:1 to 1.8:1 and increases the lift of a camshaft that is used to improve the efficiency of the engine. Depending on the client's need, this Rocker Arm can be easily installed in different types of BMW 540i configurations improving both the performance and safety. The improvement in the fulcrum bearings in the high RPM engines also enhance the durability thus making the BMW 540i Rocker Arm to stand out in the market. Also, the BMW 540i is fitted with safety components such as dual airbags and traction control, and these protect the car and its occupants while the Rocker Arm supports the vehicle stability and efficiency. Altogether, the BMW 540i Rocker Arm is a perfect example of how the car manufacturer specializes on creating only the best automobile products, which is why it is so important to maintain this part by using only the original spare parts.
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